ProblemPossible causes/consequences andMSolutions
?
The red coolant warn-
ing lamp comes on
while the engine is run-
ning.The coolant level is too low.
!Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
If the coolant level is correct, the airflow to the engine radiator may
be blocked or the electric engine radiator fan may be malfunc-
tioning.
The coolant is too hot and the engine is no longer being cooled
sufficiently.
XObserve the additional display messages in the multifunction
display.
XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 189).
XLeave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
XCheck the coolant level and add coolant, observing the warning
notes (
Ypage 373).
XIf you have to add coolant frequently, have the engine cooling
system checked.
XMake sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
XDo not start the engine again until the coolant temperature is
below 248 ‡(120 †). Otherwise, the engine could be damaged.
XDrive to the nearest qualified specialist workshop.
XAvoid subjecting the engine to heavy loads, e.g. driving in moun-
tainous terrain, and stop-and-go traffic.
?
The red coolant warn-
ing lamp comes on
while the engine is run-
ning. A warning tone
also sounds.The coolant temperature has exceeded 248 ‡ (120 †). The air-
flow to the engine radiator may be blocked or the coolant level may
be too low.
GWARNING
The engine is not being cooled sufficiently and may be damaged.
Do not drive when your engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to
catch fire.
Steam from the overheated engine can also cause serious burns
which can occur just by opening the hood.
There is a risk of injury.
336Warning and indicator lamps in the instrument cluster
On-board computer and displays
ProblemPossible causes/consequences andMSolutions
XObserve the additional display messages in the multifunction
display.
XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 189).
XLeave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
XCheck the coolant level and add coolant, observing the warning
notes (
Ypage 373).
XIf you have to add coolant frequently, have the engine cooling
system checked.
XMake sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
XAt coolant temperatures below 248 ‡ (120 †), drive to the
nearest qualified specialist workshop.
XAvoid subjecting the engine to heavy loads, e.g. driving in moun-
tainous terrain, and stop-and-go traffic.
Driving systems
ProblemPossible causes/consequences and MSolutions
·
The red distance warn-
ing function warning
lamp comes on while
the vehicle is moving. A
warning tone also
sounds.You are approaching a vehicle or a stationary obstacle in your line
of travel at too high a speed.
XBe prepared to brake immediately.
XPay careful attention to the traffic situation. You may have to
brake or take evasive action.
Observe the additional information on DISTRONIC PLUS
(
Ypage 205).
Observe the additional information on PRE‑SAFE
®Brake
(
Ypage 76).
Observe the additional information on the distance warning func-
tion of COLLISION PREVENTION ASSIST (
Ypage 70).
Warning and indicator lamps in the instrument cluster337
On-board computer and displays
Z
Tires
ProblemPossible causes/consequences andMSolutions
h
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) is lit.The tire pressure monitor has detected a loss of pressure in at
least one of the tires.
GWARNING
With tire pressures which are too low, there is a risk of the fol-
lowing hazards:
Rthey may burst, especially as the load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 189).
XObserve the additional display messages in the multifunction
display.
XCheck the tires and, if necessary, follow the instructions for a
flat tire (
Ypage 387).
XCheck the tire pressure (Ypage 412).
XIf necessary, correct the tire pressure.
h
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) flashes for
approximately one
minute and then
remains lit.The tire pressure monitor is faulty.
GWARNING
The system is possibly unable to recognize or register low tire
pressure.
There is a risk of an accident.
XObserve the additional display messages in the multifunction
display.
XVisit a qualified specialist workshop.
338Warning and indicator lamps in the instrument cluster
On-board computer and displays
General notes
An emergency call is dialed automatically if an
air bag or Emergency Tensioning Device is
triggered.
iYou cannot end an automatically trig-
gered emergency call yourself.
An emergency call can also be initiated man-
ually.
As soon as the emergency call has been ini-
tiated, the indicator lamp in the SOS button
flashes. The multifunction display shows the
Connecting Call
message.
The audio output is muted.
Once the connection has been made, the
Call Connected
message appears in the
multifunction display.
All important information on the emergency is transmitted, for example:
Rcurrent location of the vehicle (as deter-
mined by the GPS system)
Rvehicle identification number
Rinformation on the severity of the accident
Shortly after the emergency call has been ini- tiated, a voice connection is automatically
established between the Customer Assis-
tance Center and the vehicle occupants.
RIf the vehicle occupants respond, the
Mercedes-Benz Customer Assistance Cen-
ter attempts to get more information on the emergency.
RIf there is no response from the vehicle
occupants, an ambulance is immediately
sent to the vehicle.
If no voice connection can be established to
the Mercedes-Benz Customer Assistance
Center, the system has been unable to initiate
an emergency call.
This can occur, for example, if the relevant
mobile phone network is not available. The
indicator lamp in the SOS button flashes con- tinuously.
The Call Failed
message appears in the
multifunction display and must be confirmed. In this case, summon assistance by other
means.
Making an emergency call
XTo initiate an emergency call manually:
press cover
:briefly to open.
XPress SOS button ;briefly.
The indicator lamp in SOS button ;
flashes until the emergency call is conclu-
ded.
XWait for a voice connection to the
Mercedes-Benz Customer Assistance Cen-
ter.
XAfter the emergency call, close cover :.
iIf the mobile phone network is unavaila-
ble, mbrace will not be able to make the
emergency call. If you leave the vehicle
immediately after pressing the SOS button,
you will not know whether mbrace placed
the emergency call. In this case, always
summon assistance by other means.
Roadside Assistance button
358Features
Stowage and features
XPress Roadside Assistance button:.
This initiates a call to the Mercedes-Benz
Customer Assistance Center.
The indicator lamp in Roadside Assistance
button :flashes while the call is active.
The multifunction display shows the Con‐
necting Callmessage. The audio output
is muted.
If a connection can be made, the Call Con‐
nectedmessage appears in the multifunction
display.
If a mobile phone network and GPS reception
are available, the system transfers data to the
Mercedes-Benz Customer Assistance Center,
for example:
Rcurrent location of the vehicle
Rvehicle identification number
iThe audio system or COMAND display
indicates that a call is active. During the
call, you can change to the navigation menu
by pressing the NAVI button on COMAND,
for example.
Voice output is not available.
A voice connection is established between
the Mercedes-Benz Customer Assistance
Center and the vehicle occupants.
From the remote malfunction diagnosis, the
Mercedes-Benz Customer Assistance Center
can ascertain the nature of the problem
(
Ypage 363).
The Mercedes-Benz Customer Assistance
Center either sends a qualified Mercedes-
Benz technician or makes arrangements for
your vehicle to be transported to the nearest
authorized Mercedes-Benz Center.
You may be charged for services such as
repair work and/or towing.
Further details are available in your mbrace
manual.
iThe system has not been able to initiate a
Roadside Assistance call, if:
Rthe indicator lamp for Roadside Assis-
tance call button :is flashing continu-
ously.
Rno voice connection to the Mercedes-
Benz Customer Assistance Center was
established.
This can occur if the relevant mobile phone
network is not available, for example.
The Call Failed
message appears in the
multifunction display.
XTo end a call: press the~button on the
multifunction steering wheel.
or
XPress the corresponding button for ending
a phone call on the audio system or on
COMAND.
MB Info call button
XPress MB Info call button :.
This initiates a call to the Mercedes-Benz
Customer Assistance Center.
The indicator lamp in MB Info call button :
flashes while the connection is being made.
The multifunction display shows the Con‐
nectingCallmessage. The audio system
is muted.
If a connection can be made, the Call Con‐
nectedmessage appears in the multifunction
display.
Features359
Stowage and features
Z
If a mobile phone network and GPS reception
are available, the system transfers data to the
Mercedes-Benz Customer Assistance Center,
for example:
Rcurrent location of the vehicle
Rvehicle identification number
iThe audio system or COMAND display
indicates that a call is active. During the
call, you can change to the navigation menu
by pressing the NAVI button on COMAND,
for example.
Voice output is not available.
A voice connection is established between
the Mercedes-Benz Customer Assistance
Center and the vehicle occupants.
You receive information about operating your
vehicle, about the nearest authorized
Mercedes-Benz Center and about other prod-
ucts and services from Mercedes-Benz.
USA only: you can find further information on
the mbrace system under "Owners Online" at
http://www.mbusa.com.
iThe system has not been able to initiate
an MB Info call, if:
Rthe indicator lamp in MB Info call but-
ton :is flashing continuously.
Rno voice connection to the Mercedes-
Benz Customer Assistance Center was
established.
This can occur if the relevant mobile phone
network is not available, for example.
The Call Failed
message appears in the
multifunction display.
XTo end a call: press the~button on the
multifunction steering wheel.
or
XPress the corresponding button for ending
a phone call on the audio system or on
COMAND.
Call priority
When service calls are active, e.g. Roadside
Assistance or MB Info calls, an emergency
call can still be initiated. In this case, an emer-
gency call will take priority and override all
other active calls.
The indicator lamp of the respective button
flashes until the call is ended.
An emergency call can only be terminated by the Mercedes-Benz Customer Assistance
Center.
All other calls can be ended by pressing:
Rthe ~ button on the multifunction steer-
ing wheel
Rthe corresponding button on the audio sys- tem or on COMAND for ending a telephone
call
iWhen a call is initiated, the audio system
is muted. The mobile phone is no longer
connected to COMAND. However, if you
want to use your mobile phone, do so only
when the vehicle is stationary and in a safe
location.
Downloading destinations in COMAND
Downloading destinations
Downloading destinations gives you access
to a database with over 15 million points of
interest (POIs). These can be downloaded on
the navigation system in your vehicle. If you
know the destination, the address can be
downloaded. Alternatively, you can obtain the
location of Points of Interest (POIs)/impor-
tant destinations in the vicinity.
Furthermore, you can download routes with
up to 20 way points.
You are prompted to confirm route guidance
to the address entered.
The system calculates the route and subse-
quently starts the route guidance with the
address entered.
iIf you select No, the address can be saved
in the address book.
360Features
Stowage and features
iThe destination download function is
available if the relevant mobile phone net-
work is available and data transfer is pos-
sible.
iThe destination download function can
only be used if the vehicle is equipped with
a navigation system.
Route Assistance
This service is part of the mbrace PLUS Pack- age and cannot be purchased separately.
iYou can also use the Route Assistance
function if your vehicle is not equipped with
a navigation system.
Within the framework of this service, you
receive a professional and reliable form of
navigation support without having to leave
your vehicle.
The customer service representative finds a
suitable route depending on your vehicle's
current position and the desired destination.
You will then be guided live through the cur-
rent route section.
Search & Send
General notes
iTo use "Search & Send", your vehicle
must be equipped with mbrace and a navi-
gation system. Additionally, an mbrace ser-
vice subscription must be completed.
"Search & Send" is a destination entry ser-
vice. A destination address which is found on
Google Maps
®can be transferred via mbrace
directly to your vehicle's navigation system.
Specifying and sending the destination
address
XGo to the website http://
www.maps.google.com and enter a desti-
nation address into the entry field.
XTo send the destination address to the
e-mail address of your mbrace account:
click on the corresponding button on the
website.
iExample:
If you select 'Send to vehicle' and then
'Mercedes-Benz', the destination address
will be sent to your vehicle.
XWhen the "Send" dialog window appears:
Enter the e-mail address you specified
when setting up your mbrace account into
the corresponding field.
XClick "Send".
iInformation on specific commands such
as "Address entry" or "Send" can be found
on the website.
Calling up destination addresses
XSwitch on the ignition.
The destination address is loaded into the
vehicle's navigation system.
A display message appears, asking
whether navigation should be started.
XSelect Yesby turning cVdor sliding XVY
the COMAND controller and press Wto
confirm.
The system calculates the route and sub-
sequently starts the route guidance with
the address entered.
iIf you select No, the address can be saved
in the address book.
iIf you have sent more than one destina-
tion address, each individual destination
must be confirmed separately.
iDestination addresses are loaded in the
same order as the order in which they were
sent.
If you own multiple Mercedes-Benz vehi-
cles with mbrace and activated mbrace
accounts:
If multiple vehicles are registered under the
same e-mail address, the destination will
be sent to all the vehicles.
Features361
Stowage and features
Z
Vehicle remote opening
You can use the vehicle remote opening if you
have unintentionally locked your vehicle and
a replacement SmartKey is not available.
The vehicle can be opened by the Mercedes-
Benz Customer Assistance Center.
The vehicle can be immediately opened
remotely within four days of the ignition being
turned off. After this time, the remote unlock-ing may be delayed by 15 to 60 minutes. After
30 days, the vehicle can no longer be opened
remotely.
XContact the following service hotlines:
RUSA: Mercedes-Benz Customer Assis-
tance Center at 1-800-FOR-MERCedes
(1-800-367-6372) or 1-866-990-9007
RCanada: Customer Service at
1-888-923-8367
You will be asked for your password.
XReturn to your vehicle at the time agreed
upon with the Mercedes-Benz Customer
Assistance Center.
USA only: alternatively, the vehicle can be
opened via:
Rthe Internet, under the "Owners Online"
section
Rthe telephone application (e .g. for iPhone®,
Android)
To do this, you will need your identification
number and password.
iVehicle remote opening is only possible if
the corresponding mobile phone network is accessible.
Vehicle remote closing
The valet locking feature can be used when
you have forgotten to lock the vehicle and you
are no longer nearby.
The vehicle can then be locked by the
Mercedes-Benz Customer Assistance Center.
The vehicle can be immediately remotely
locked within four days of the ignition being
turned off. After this time, remote closing may be delayed by 15 to 60 minutes. After 30 days
the vehicle can no longer be locked remotely.
XContact the following service hotlines:
RUSA:
Mercedes-Benz Customer Assis-
tance Center at 1-800-FOR-MERCedes
(1-800-367-6372) or 1-866-990-9007
RCanada: Customer Service at
1-888-923-8367
You will be asked for your password.
The next time you are inside the vehicle and
you switch on the ignition, the Doors
Locked Remotelymessage appears in the
multifunction display.
USA only: alternatively, the vehicle can be
locked via:
Rthe Internet, under the "Owners Online"
section
Rthe telephone application (e .g. for iPhone®,
Android)
To do this, you will need your identification
number and password.
iThe vehicle remote closing feature is
available when the relevant mobile phone
network is available and data connection is possible.
Stolen vehicle recovery service
If your vehicle has been stolen:
XNotify the police.
The police will issue a numbered incident
report.
XThis number will be forwarded to the
Mercedes-Benz Customer Assistance Cen-
ter together with your PIN.
The Mercedes-Benz Customer Assistance
Center then tries to locate the system. The
Mercedes-Benz Customer Assistance Cen-
ter contacts you and the local law enforce- ment agency if the vehicle is located.
However, only the law enforcement agency
is informed of the location of the vehicle.
iIf the anti-theft alarm system is activated
for longer than 30 seconds, the Mercedes-
362Features
Stowage and features